linux-kernel - Re: [PATCH v1 8/9] PCI: PLDA: starfive: Add JH7110 PCIe controller

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Message-ID: <2ace898a-c919-1388-28cd-0c39ac88dc62@starfivetech.com>
Date:   Fri, 21 Jul 2023 09:03:34 +0800
From:   Minda Chen <minda.chen@...rfivetech.com>
To:     Conor Dooley <conor.dooley@...rochip.com>
CC:     Daire McNamara <daire.mcnamara@...rochip.com>,
        Conor Dooley <conor@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Emil Renner Berthing <emil.renner.berthing@...onical.com>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-riscv@...ts.infradead.org>, <linux-pci@...r.kernel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        "Palmer Dabbelt" <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        "Philipp Zabel" <p.zabel@...gutronix.de>,
        Mason Huo <mason.huo@...rfivetech.com>,
        Leyfoon Tan <leyfoon.tan@...rfivetech.com>,
        Kevin Xie <kevin.xie@...rfivetech.com>
Subject: Re: [PATCH v1 8/9] PCI: PLDA: starfive: Add JH7110 PCIe controller



On 2023/7/20 19:14, Conor Dooley wrote:
> On Wed, Jul 19, 2023 at 06:20:56PM +0800, Minda Chen wrote:
>> Add StarFive JH7110 SoC PCIe controller platform
>> driver codes.
>> 
>> Signed-off-by: Minda Chen <minda.chen@...rfivetech.com>
>> Reviewed-by: Mason Huo <mason.huo@...rfivetech.com>
>> ---
>>  MAINTAINERS                                 |   7 +
>>  drivers/pci/controller/plda/Kconfig         |   8 +
>>  drivers/pci/controller/plda/Makefile        |   1 +
>>  drivers/pci/controller/plda/pcie-plda.h     |  58 ++-
>>  drivers/pci/controller/plda/pcie-starfive.c | 415 ++++++++++++++++++++
>>  5 files changed, 487 insertions(+), 2 deletions(-)
>>  create mode 100644 drivers/pci/controller/plda/pcie-starfive.c
>> 
>> diff --git a/MAINTAINERS b/MAINTAINERS
>> index f02618c2bdf5..b88a54a24ae5 100644
>> --- a/MAINTAINERS
>> +++ b/MAINTAINERS
>> @@ -20356,6 +20356,13 @@ S:	Supported
>>  F:	Documentation/devicetree/bindings/watchdog/starfive*
>>  F:	drivers/watchdog/starfive-wdt.c
>>  
>> +STARFIVE JH71x0 PCIE DRIVER
>> +M:	Minda Chen <minda.chen@...rfivetech.com>
>> +L:	linux-pci@...r.kernel.org
>> +S:	Supported
>> +F:	Documentation/devicetree/bindings/pci/starfive*
>> +F:	drivers/pci/controller/plda/pcie-starfive.c
>> +
>>  STATIC BRANCH/CALL
>>  M:	Peter Zijlstra <peterz@...radead.org>
>>  M:	Josh Poimboeuf <jpoimboe@...nel.org>
>> diff --git a/drivers/pci/controller/plda/Kconfig b/drivers/pci/controller/plda/Kconfig
>> index a3c790545843..eaf72954da9f 100644
>> --- a/drivers/pci/controller/plda/Kconfig
>> +++ b/drivers/pci/controller/plda/Kconfig
>> @@ -24,4 +24,12 @@ config PCIE_MICROCHIP_HOST
>>  	  Say Y here if you want kernel to support the Microchip AXI PCIe
>>  	  Host Bridge driver.
>>  
>> +config PCIE_STARFIVE_HOST
>> +	tristate "StarFive PCIe host controller"
>> +	select PCIE_PLDA_HOST
> 
> Ditto here, I think this suffers from the same issue, although its
> probably only really randconfigs that'll trigger it.
> 
ok, thanks, I will change it with microchip.
>> +	help
>> +	  Say Y here if you want to support the StarFive PCIe controller
>> +	  in host mode. StarFive PCIe controller uses PLDA PCIe
>> +	  core.
>> +
>>  endmenu